Home / 12,448.24-17,178.50-6,782.98

Finding the Fourth Proportional to 12,448.24, 17,178.50 and 6,782.98

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Solution

The fourth proportional to 12,448.24, 17,178.50 and 6,782.98 is: 9,360.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448.24 : 17,178.50 = 6,782.98 : x
  2. Step 2: Convert to fraction form
    12,448.24/17,178.50 = 6,782.98/x
  3. Step 3: Cross multiply
    12,448.24x = 17,178.50 × 6,782.98
  4. Step 4: Simplify right side
    12,448.24x = 116,521,336.04
  5. Step 5: Solve for x
    x = 116,521,336.04/12,448.24
  6. Step 6: Final answer
    x = 9,360.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.